details on a "the new york times" report that karl rove plans to make sure candidates don't become the nominees in key senate races. nbc's first read team says it is going to be ugly. >>> plus, police say they're doing, quote, everything humanly possible to end the hostage standoff in alabama that's now in the seventh day. neighbors are now even collecting birthday cards for the little boy being held in that underground bunker. he turns 6 this week. former negotiator clint van zant will join me. >>> first, officials rule out one cause of the super bowl blackout. the sudden power outage in the game's second half not caused by electrical work done in december. that was one of the theories. power company and the company that manages the super dome says it originated where a power line meets the dome's electrical system. ravens coach john harbaugh said he was stunned but proud of the team's handling of the delay. >> it was just crazy. we haven't seen that one before. it was new. changed the complexion. they did a great job and changed momentum. they swung and wasn't the lights or the power